From Marc Nolan, the Men's Blake Snake Embossed Leather Bit Buckle Lug Loafers feature: Snake embossed calf leather upper Slip on construction Full calf leather lining Memory foam insole Rubber lug outsole Imported. Styling Notes: Size 6 to 11 run large, go a full size down. Size 12 to 16 run true to size. If you wear a half size, size down. All Marc Nolan shoes are standard D width.